package day1224;

public class Test1 {
    public static void main(String[] args) {
        int i = 9;
        long peachCount = 1;  //int      -2147483648 2147483647
        while (i > 0) {
            peachCount = (peachCount + 1) * 2;
            i--;
        }
        System.out.println(peachCount);
    }

}
